1. Measuring range: 0~30m/s2. Measurement accuracy: +/-2%3. Measurement object: wind speed4. Resolution: 0.01m5. Wind speed: 30m/s6. Product size: 180x87x54mm7. Weight: 0.213kg8. Power supply: 3x1.5V AAA batteries9. Small size, light weight and portable, does not take up space10. Using eight-blade fan + imported bearing sensor, short response time, strong anti-interference ability, and more accurate data collection12. Anti-drop, dust-proof and waterproof triple protection design, made of ABS material, comfortable to hold, strong impact resistanceNote: Shipment without batterySpecification: General Certificate EMC Package Weight One Package Weight 0.22kgs / 0.48lb One Package Size 19cm * 12cm * 6cm / 7.48inch * 4.72inch * 2.36inch Qty per Carton 50 Carton Weight 13.00kgs / 28.66lb Carton Size 36cm * 42cm * 32cm / 14.17inch * 16.54inch * 12.6inch Loading Container 20GP: 551 cartons * 50 pcs = 27550 pcs40HQ: 1279 cartons * 50 pcs = 63950 pcs